Home / 268,909.60-371,080.56-148,046.32

Finding the Fourth Proportional to 268,909.60, 371,080.56 and 148,046.32

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Solution

The fourth proportional to 268,909.60, 371,080.56 and 148,046.32 is: 204,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,909.60 : 371,080.56 = 148,046.32 : x
  2. Step 2: Convert to fraction form
    268,909.60/371,080.56 = 148,046.32/x
  3. Step 3: Cross multiply
    268,909.60x = 371,080.56 × 148,046.32
  4. Step 4: Simplify right side
    268,909.60x = 54,937,111,331.54
  5. Step 5: Solve for x
    x = 54,937,111,331.54/268,909.60
  6. Step 6: Final answer
    x = 204,295.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.